Asian honey bees rally against giant hornet invasions with an acoustic response that resembles the alarm shrieks of birds, primates and other social mammals.
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00:00When giant cousins of murder hornets attack Asian honeybees, the bees raise an alarm similar
00:10to the panicked calls of birds and mammals.
00:15Giant hornets are a sister species to so-called murder hornets.
00:19They're one of the deadliest predators of Asian honeybees, attacking in groups until
00:23they overwhelm a colony.
00:25Scientists recently recorded and analyzed alarm sounds made by honeybees during hornet
00:30attacks.
00:41They found that when a giant hornet shows up, the bees made a lot more noise.
00:57Giant hornets are the biggest threat to Asian honeybees.
01:20Just one attack can wipe out an entire colony.
01:23This could explain why bees have evolved to have a special signal for a giant hornet
01:27attack.